import LoginAPI, { type LoginData } from '@/api/login'
import ProfileAPI, { type UserInfo } from '@/api/profile'

import { resetRouter } from '@/router'
import { store } from '@/store'
import { TOKEN_KEY } from '@/enums/CacheEnum'

export const useUserStore = defineStore('user', () => {
  const user = ref<UserInfo>({
    roles: [],
    perms: []
  })

  /**
   * 登录
   *
   * @param {LoginData}
   * @returns
   */
  function login(loginData: LoginData) {
    return new Promise<void>((resolve, reject) => {
      LoginAPI.loginCheck(loginData)
        .then((data) => {
          const { jwtToken } = data
          localStorage.setItem(TOKEN_KEY, jwtToken) // Bearer eyJhbGciOiJIUzI1NiJ9.xxx.xxx
          resolve()
        })
        .catch((error) => {
          reject(error)
        })
    })
  }

  // 获取信息(用户昵称、头像、角色集合、权限集合)
  function getUserInfo() {
    return new Promise<UserInfo>((resolve, reject) => {
      ProfileAPI.getInfo()
        .then((data) => {
          if (!data) {
            reject('Verification failed, please Login again.')
            return
          }
          if (!data.roles || data.roles.length <= 0) {
            console.log('getUserInfo: roles must be a non-null array!')
            reject('getUserInfo: roles must be a non-null array!')
            return
          }
          Object.assign(user.value, { ...data })
          resolve(data)
        })
        .catch((error) => {
          reject(error)
        })
    })
  }

  // user logout
  function logout() {
    return new Promise<void>((resolve, reject) => {
      ProfileAPI.logout()
        .then(() => {
          localStorage.setItem(TOKEN_KEY, '')
          location.reload() // 清空路由
          resolve()
        })
        .catch((error) => {
          reject(error)
        })
    })
  }

  // remove token
  function resetToken() {
    return new Promise<void>((resolve) => {
      localStorage.setItem(TOKEN_KEY, '')
      resetRouter()
      resolve()
    })
  }

  return {
    user,
    login,
    getUserInfo,
    logout,
    resetToken
  }
})

/**
 * 用于在组件外部（如在Pinia Store 中）使用 Pinia 提供的 store 实例。
 * 官方文档解释了如何在组件外部使用 Pinia Store：
 * https://pinia.vuejs.org/core-concepts/outside-component-usage.html#using-a-store-outside-of-a-component
 */
export function useUserStoreHook() {
  return useUserStore(store)
}
